An ice spike is an ice formation, often in the shape of an inverted icicle, that projects upwards from the surface of a body of frozen water. Ice spikes created by natural processes on the surface of small bodies of frozen water have been reported for many decades although their occurrence is quite rare. The image above appears to be a cave, but that definitely isn't the case. Continue reading to see where these were really found.
That's right, it's inside the Greater Fulton Market in Illinois. This facility will soon be demolished, or at least parts of it, and renovated as a modern work and live building.